所以std::move()对std::string_view类型而言，相当于什么都没做。这样自然就只有拷贝构造的效果了。所...
std::string_viewstr1{"test01"};std::string_viewstr2{"test02"};std::swap(str1,str2);std:...
swap(std::basic_string<CharT, Traits, Alloc>&lhs, std::basic_string<CharT, Traits, Alloc>&rhs)noexcept(/* see below */); (C++20 起) 为std::basic_string特化std::swap算法。交换lhs与rhs的内容。等价于lhs.swap(rhs)。 参数 lhs, rhs-要交换内容的 string ...
std::basic_string<CharT,Traits,Allocator>::replace std::basic_string<CharT,Traits,Allocator>::copy std::basic_string<CharT,Traits,Allocator>::resize std::basic_string<CharT,Traits,Allocator>::swap std::basic_string<CharT,Traits,Allocator>::find std::basic_string<CharT,Traits,Allocator>::rfind...
专攻std::swap算法std::basic_string.交换lhs和rhs相当于lhs.swap(rhs)... 参数 lhs, rhs - strings whose contents to swap 返回值 %280%29 复杂性 常量。 Exceptions noexcept specification: noexcept(noexcept(lhs.swap(rhs))) (since C++17)
#include <iostream> #include <string_view> int main() { std::string_view a = "AAA"; std::string_view b = "BBBB"; std::cout << "Before swap:\n" "a = " << a << "\n" "b = " << b << "\n\n"; a.swap(b); std::cout << "After swap:\n" "a = " << a <<...
pub fn push_str(&mut self, string: &str) { self.vec.extend_from_slice(string.as_bytes()) } @@ -1747,6 +1748,7 @@ impl String { #[cfg(not(no_global_oom_handling))] #[inline] #[stable(feature = "insert_str", since = "1.16.0")] #[cfg_attr(not(test), rustc_diagnostic...
Before swap, one = "one" two = "two" Before swap, one = "two" two = "one" See also (constructor) constructs a basic_stringbuf object (public member function) swap (C++11) swaps two string streams (public member function of std::basic_stringstream<CharT,Traits,Allocator>) ...
std::basic_string_view<CharT,Traits>:: constexprvoidswap(basic_string_view&v)noexcept; (C++17 起) 将视图与v的内容交换。 参数 v-要与之交换的视图 返回值 (无) 复杂度 常数。
void swap( std::basic_string<CharT, Traits, Alloc>& lhs, std::basic_string<CharT, Traits, Alloc>& rhs ); (C++17 前) template< class CharT, class Traits, class Alloc > void swap( std::basic_string<CharT, Traits, Alloc>& lhs, std::basic_string<CharT, Traits, Alloc>& rhs )...